Engine controller board Note After you replace the engine controller board, readjust the top margin as described on page 175. 1 Remove the fuser assembly (page 149). 2 Separate the engine from the paper-feed module (page 171). The engine controller board is on the underside of the engine. Figure 80. Removing the engine controller board 3 Remove the seven screws shown. • Four self-tapping M4 screws (three in front and one in the right rear) • From the left rear, three M3 screws (two recessed) 4 Disconnect the power switch rod. EN Chapter 6 Removing and replacing parts 173